SciShow
The Plants That Live on Artificial Light (and Why That’s Bad)
Plants are finding their ways into caves, and it's all our fault.
SciShow
The Secret of Your "Junk," Revealed!
Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.
SciShow
The Future of Our Sun and Earth
SciShow Space gives you a blow by blow account of what's going to happen to the sun -- and Earth.
SciShow
Why Are We Afraid of the Dark?
Lots of kids are afraid of the dark, and some adults still can't stand sleeping in the complete darkness. But why are we afraid of it?
Crash Course
Japan in the Heian Period and Cultural History: Crash Course World History 227
In which John Green teaches you about what westerners call the middle ages and the lives of the aristocracy...in Japan. The Heian period in Japan lasted from 794CE to 1185CE, and it was an interesting time in Japan. Rather than being...
TED Talks
TED: How ethics can help you make better decisions | Michael Schur
What would Immanuel Kant say about a fender bender? In a surprisingly funny trip through the teachings of some of history's great philosophers, TV writer and producer Michael Schur (from hit shows like "The Office" and "The Good Place")...
SciShow
The New Superbug!
A new strain of the E. coli bacteria seems to have become resistant to most antibiotics. Let’s talk about how this possibly happened.
SciShow
Does Alcohol Really Keep You Warm?
As if you needed any more proof that alcohol just makes weird stuff happen, Quick Questions explains why alcohol can make you /feel/ warm, when it's actually making your body colder. You'll never think of brandy the same way again!
Crash Course
The Birth of the Feature Film: Crash Course Film History
Movies didn't always look like they do now. There was a period (kind of a problematic one) where movies transitioned from short novelties to big, epic, feature films. That's our focus this week as Craig talks to us about the birth of the...
SciShow
5 Toxins Animals Steal For Themselves
Thievery is a known survival strategy in the wild. But you couldn’t steal a toxin...or could you? Meet 5 animals that turn someone else’s poison into their own weapon of choice. PORE-FORMING TOXINS 0:50 BIRDS-FOOT TREFOIL 2:45 SIX-SPOT...
SciShow
How to Get Over That Broken Heart - But Also Learn From It
Scientists today think reason and emotion aren’t at odds like they’ve traditionally been presented, and even rely on each other to help us get through this thing called life.
3Blue1Brown
Snell's law proof using springs: Brachistochrone - Part 2 of 2
A clever mechanical proof of Snell's law.
Be Smart
Is Space A Thing?
Since the days of Ancient Greece, philosophers and scientists have been wondering: What is space? Is the absence of things.... a thing? These questions continued to fascinate physicists in the modern era, leading Isaac Newton, Ernst...
PBS
Is The Alcubierre Warp Drive Possible?
Inspired by Gene Roddenberry's Star Trek, physicist Miguel Alcubierre set out to transform one of the cornerstones of science fiction iconography, the Warp Drive, into reality. But is it even possible? Can we "warp" the fabric of reality...
TED Talks
Pavan Sukhdev: Put a value on nature!
Every day, we use materials from the earth without thinking, for free. But what if we had to pay for their true value: would it make us more careful about what we use and what we waste? Think of Pavan Sukhdev as nature's banker --...
TED Talks
Harish Manwani: Profit’s not always the point
You might not expect the chief operating officer of a major global corporation to look too far beyond either the balance sheet or the bottom line. But Harish Manwani, COO of Unilever, makes a passionate argument that doing so to include...
SciShow
Crabs Keep Turning Into Land Animals!
When a species evolves from living in water to living on land it’s called terrestrialization, and it’s not an easy task. Yet crabs keep making the jump from sea to shore. Why? And how do they do it?
SciShow Kids
Why do Planes Leave White Streaks in the Sky?
Have you ever seen an airplane high in the sky leave a long trail behind it? That's called a contrail! It's kind of like a cloud, or your breath on a cold day. Jessi and Squeaks explain the special circumstances that make contrails happen!
TED Talks
Tim Jackson: An economic reality check
As the world faces recession, climate change, inequity and more, Tim Jackson delivers a piercing challenge to established economic principles, explaining how we might stop feeding the crises and start investing in our future.
TED-Ed
TED-Ed: History's deadliest colors - J. V. Maranto
When radium was first discovered, its luminous green color inspired people to add it into beauty products and jewelry. It wasn't until much later that we realized that radium's harmful effects outweighed its visual benefits....
SciShow
Without Volcanoes, Earth Might be Dead
You might think of plate tectonics as destructive since it's the ultimate force behind earthquakes, tsunamis, and volcanic eruptions. But the slow movement of our planet's surface does a lot more than shake things up now and then. Some...
SciShow
3 of the Biggest Experiments Ever
Whether it's robots under the sea, wave detectors in space, or star-power on land, this episode has big experiments covered.
Crash Course
Do the Right Thing: Crash Course Film Criticism
Mainstream American films don’t often tackle race and racism head-on, and when they do, they often end up trying to find easy answers. Which makes films like Spike Lee’s Do the Right Thing all the more powerful. It’s an intimate portrait...